Lava Iris 402e vs Lava Z40

Key Specs

Battery
Battery	1450 mAh	2250 mAh
Display
Display	4.0 inches (10.16 cm)	4.0 inches (10.16 cm)
Front Camera
Front Camera	0.3 MP	2 MP
Processor
Processor	MediaTek MT6572	-
RAM
RAM	512 MB	1 GB
Rear Camera
Rear Camera	2 MP	2 MP

Battery

Capacity
Capacity	1450 mAh	2250 mAh
Removable
Removable	-	Yes
Standby time
Standby Time	Up to 200 Hours(2G)	Up to 239 Hours(2G)
TalkTime
TalkTime	Up to 9.6 Hours(2G)	Up to 17.4 Hours(4G) / Up to 16.2 Hours(3G)
Type
Type	Li-ion	Li-ion
USB Type-C
USB Type-C	-	No

Design

Colours
Colours	Black	Black, Gold
Height
Height	126 mm	125.5 mm
Thickness
Thickness	10.35 mm Below	11.65 mm
Weight
Weight	100 grams	120 grams
Width
Width	65 mm	63.9 mm

Display

Aspect Ratio
Aspect Ratio	-	16:9
Display Type
Display Type	LCD	IPS LCD
Pixel Density
Pixel Density	233 ppi	224 ppi
Resolution
Resolution	480x800 px	400x800 px
Screen Protection
Screen Protection	-	Corning Gorilla Glass
Screen Size
Screen Size	4.0 inches (10.16 cm)	4.0 inches (10.16 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	55.55 %	51.49 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Resolution
Resolution	0.3 MP, Primary Camera	-

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General

Brand
Brand	Lava	Lava
Custom UI
Custom UI	-	Android Go
Launch Date
Launch Date	July 4, 2014 (Official)	March 14, 2019 (Official)
Operating System
Operating System	Android v4.2.1 (Jelly Bean)	Android v8.1 (Oreo)

Main Camera

Camera Features
Camera Features	Digital Zoom	Digital Zoom
Camera Setup
Camera Setup	Single	Single
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	1600 x 1200 Pixels	1600 x 1200 Pixels
OIS
OIS	-	No
Resolution
Resolution	2 MP, Primary Camera	2 MP, Primary Camera
Shooting Modes
Shooting Modes	High Dynamic Range mode (HDR)	High Dynamic Range mode (HDR) Burst mode

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	Yes	Yes
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes	Yes, v4.2
GPS
GPS	-	Yes with A-GPS, Glonass
Network Support
Network Support	5G Not Supported in India, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SIM 1
SIM 1	2G Bands: GSM 1800 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 900 MHz GPRS: Available EDGE: Available
SIM 2
SIM 2	2G Bands: GSM 1800 / 900 MHz	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 900 MHz GPRS: Available EDGE: Available
SIM Size
SIM Size	-	SIM1: Nano, SIM2: Nano
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM, Dual VoLTE
USB Connectivity
USB Connectivity	microUSB 2.0	Mass storage device, USB charging, microUSB 2.0
VoLTE
VoLTE	-	Yes
Wi-Fi
Wi-Fi	Yes, Wi-Fi	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
Wi-Fi Features	-	Mobile Hotspot

Performance

CPU
CPU	Dual core, 1 GHz	Quad core, 1.4 GHz
Chipset
Chipset	MediaTek MT6572	-
Graphics
Graphics	Mali-400	-

Sensors

Fingerprint Sensor
Fingerprint Sensor	-	No
Other Sensors
Other Sensors	Accelerometer	Accelerometer

Storage

Expandable Memory
Expandable Memory	Yes, Up to 32 GB	Yes, Up to 64 GB
Internal Memory
Internal Memory	512 MB	8 GB
User Available Storage
User Available Storage	Up to 130 MB	-